<!doctype html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
    <title>Hello, world!</title>
    <style>
        .wave {
            background: url(wave.svg) repeat-x;
            background-size: 800px 30px;
            width: 6400px;
            height: 30px;
            animation: wave 7s cubic-bezier(0.36, 0.45, 0.63, 0.53) infinite;
            transform: translate3d(0, 0, 0);
        }

        @keyframes wave {
            0% {
                margin-left: 0px;
            }

            100% {
                margin-left: -800px;
            }
        }
    </style>
</head>

<body>

    <div class="bg-dark text-light">
        <div class="display-1">
            Hello, World
        </div>
        <div class="wave bg-dark"></div>
    </div>
    <div class="container">
        <h1>Hello, world!</h1>
        <div>
            things
        </div>
    </div>
</body>

</html>